Table of Contents
Advertisement
20.3
Carburetor
Carburetor type
Carburetor identification number
Needle position
Jet needle
Main jet
Idling jet
Choke nozzle
Needle jet
Idle air adjusting screw
Open
20.3.1
Carburetor tuning
MIKUNI TMX 38
−20 ... −7 °C
ASL
TEMP
(−4 ... 19 °F)
ASO
1.5
2,301 ...
IJ
35
3,000 m
NDL
42-71
(7,549 ...
POS
3
9,843 ft)
MJ
450
ASO
1.5
1,501 ...
IJ
32.5
2,300 m
NDL
43-71
(4,925 ...
POS
3
7,546 ft)
MJ
450
ASO
1.5
751 ...
IJ
35
1,500 m
NDL
43-71
(2,464 ...
POS
3
4,921 ft)
MJ
460
ASO
1.5
301 ...
IJ
37.5
750 m
NDL
43-71
(988 ...
POS
3
2,461 ft)
MJ
470
ASO
1.5
0 ...
IJ
37.5
300 m (0
NDL
43-71
POS
3
... 984 ft)
MJ
470
ASL
TEMP
ASO
IJ
NDL
POS
MJ
MIKUNI TMX 38
TMX 38 87
3rd position from top
6BFY42-71 (6BFY43-71)
450 (430, 440, 460, 470)
35 (30 / 32.5 / 37.5 / 40)
80
S‑1
1.5 turns
−6 ... 5 °C
6 ... 15 °C
(21 ...
(43 ...
41 °F)
59 °F)
1.5
2
32.5
32.5
42-71
42-71
3
3
440
430
1.5
1.5
35
32.5
42-71
42-71
3
3
450
440
1.5
1.5
32.5
35
43-71
42-71
3
3
450
450
1.5
1.5
35
32.5
43-71
43-71
3
3
460
450
1.5
1.5
35
32.5
43-71
43-71
3
3
460
450
Sea level
Temperature
Idle air adjusting screw open
Idling jet
Needle
Needle position from top
Main jet
TECHNICAL DATA 20
16 ... 24 °C
25 ... 36 °C
(61 ...
(77 ...
75 °F)
97 °F)
1.5
1.5
32.5
30
43-71
43-71
2
2
430
420
2
1.5
32.5
32.5
42-71
43-71
3
2
430
430
1.5
2
32.5
32.5
42-71
42-71
3
3
440
430
1,5
1.5
35
32.5
42‑71
42-71
3
3
450
440
1.5
1.5
35
32.5
42-71
42-71
3
3
450
440
37 ... 49 °C
(99 ...
120 °F)
1.5
30
43-71
2
420
1.5
32.5
43-71
2
430
2
30
42-71
3
430
2
32.5
42-71
3
430
117
Advertisement
Table of Contents
